/**
* Creates both a new version of the Image and a new thumbnail
* according to its Imagetype
*
* Note that zero or NULL values are ignored.
* @return boolean True on success, false otherwise.
* @author Reto Kohli <*****@*****.**>
*/
function resize()
{
global $objDatabase;
if (!$this->id) {
//DBG::log("Image::resize(): No Image ID! Failed");
return false;
}
// Only applies to files that contain a
// file name with a known extension
if ($this->path == '' || !preg_match('/\\.(?:jpe?g|gif|png)$/i', $this->path)) {
//DBG::log("Image::resize(): Invalid extension: $this->path");
return false;
}
// Get the thumbnail size for the associated type
$arrInfo = \Cx\Core\ImageType\Controller\ImageType::getInfoArray($this->imagetype_key);
//DBG::log("resize(): Info: ".var_export($arrInfo, true));
if ($arrInfo['width_thumb'] || $arrInfo['height_thumb']) {
if (!self::scale($this->path, self::getThumbnailPath($this->path), true, $arrInfo['width_thumb'], $arrInfo['height_thumb'], $arrInfo['quality_thumb'])) {
//DBG::log("Image::resize(): Failed to scale thumbnail");
return false;
}
}
// Only resize the original if the width and/or height are limited
if ($arrInfo['width'] || $arrInfo['height']) {
$path = self::getJpegPath($this->path);
if (!self::scale($this->path, $path, true, $arrInfo['width'], $arrInfo['height'], $arrInfo['quality'])) {
//DBG::log("Image::resize(): Failed to scale myself");
return false;
}
// If the jpeg file name is different from the original name,
// the original image is deleted to save disk space
if ($this->path != $path) {
File::delete_file($this->path);
File::delete_file(self::getThumbnailPath($this->path));
}
// The path *MUST* be updated
$this->setPath($path);
// And so *SHOULD* the size
$size = getimagesize(ASCMS_DOCUMENT_ROOT . '/' . $path);
if ($size[0] && $size[1]) {
$this->setWidth($size[0]);
$this->setHeight($size[1]);
//DBG::log("Image::resize(): New size: {$this->getWidth()} x {$this->getHeight()}");
}
//DBG::log("Image::resize(): returning result from store()");
return $this->store();
}
//DBG::log("Image::resize(): No resizing, finished successfully");
return true;
}
/**
* Returns an image tag for the given Image object in the thumbnail
* size specified by the corresponding Imagetype
*
* This adds alt, width, and height attributes with the values returned
* by {@see Image::getPath()}, and {@see \Cx\Core\ImageType\Controller\ImageType::getInfoArrayWidth()}
* methods repectively.
* If the $attribute parameter contains one of the alt, width, or height
* attributes (or corresponding style information), these will override
* the data from the Image or Imagetype.
* @param Image $objImage The Image object
* @param string $attribute Additional optional attributes
* @return string The HTML code for the image tag
* @author Reto Kohli <*****@*****.**>
*/
static function getThumbnail($objImage, $attribute = '')
{
$type = $objImage->getImagetypeKey();
$objImagetype = \Cx\Core\ImageType\Controller\ImageType::getInfoArray($type);
$width = $objImagetype['width_thumb'];
$height = $objImagetype['height_thumb'];
$path = $objImage->getPath();
return '<img src="' . contrexx_raw2encodedUrl($path) . '"' . (empty($width) || preg_match('/width[:=]/i', $attribute) ? '' : ' width="' . $width . '"') . (empty($height) || preg_match('/height[:=]/i', $attribute) ? '' : ' height="' . $height . '"') . (preg_match('/alt\\=/i', $attribute) ? '' : ' alt="' . $path . '"') . ($attribute ? ' ' . $attribute : '') . " />\n";
}
